byte[] signature // сформированная ЭЦП

ContentInfo all = new ContentInfo();
all.decode(new Asn1BerDecodeBuffer(signature));
SignedData cms = (SignedData) all.content;
CertificateChoices сс = cms.certificates.elements[0];

			final ContentInfo all = new ContentInfo();
			all.decode(new Asn1BerDecodeBuffer(signature));
		
		    final SignedData cms = (SignedData) all.content;
		    final Asn1BerEncodeBuffer encBuf = new Asn1BerEncodeBuffer();
		    
	    
		    if (cms.certificates != null) {
		    	
	            // Вложенные сертификаты
	            for (int i = 0; i < cms.certificates.elements.length; i++) {
	            	CertificateChoices cc = cms.certificates.elements[i];
	            	encBuf.reset();
	                cc.encode(encBuf);
	                ru.CryptoPro.JCP.ASN.PKIX1Explicit88.Certificate cert = (ru.CryptoPro.JCP.ASN.PKIX1Explicit88.Certificate) cc.getElement();
	                
	                TBSCertificate tbsCert = cert.tbsCertificate;
	                Asn1UTCTime notBefore = (Asn1UTCTime) tbsCert.validity.notBefore.getElement();
	                Asn1UTCTime notAfter = (Asn1UTCTime) tbsCert.validity.notAfter.getElement();
	                
	                ru.CryptoPro.JCP.ASN.PKIX1Explicit88.Name issuer = (Name) tbsCert.issuer;
	                encBuf.reset();
	                issuer.encode(encBuf);
	                X500Principal issuerPrincipal = new X500Principal(encBuf.getMsgCopy());

	                ru.CryptoPro.JCP.ASN.PKIX1Explicit88.Name name = (Name) tbsCert.subject;
	                encBuf.reset();
	                name.encode(encBuf);
	                X500Principal subjectPrincipal = new X500Principal(encBuf.getMsgCopy());

	                System.out.println("serialNumber=" + tbsCert.serialNumber);
	                
	                System.out.println("issuerName=" + issuerPrincipal.getName());
	                System.out.println("subjectName=" + subjectPrincipal.getName());
	                
	                System.out.println("notBefore=" + notBefore.getYear() + "-" + notBefore.getMonth() + "-" + notBefore.getDay() + " " + notBefore.getHour() + ":" + notBefore.getMinute() + ":" + + notBefore.getSecond());
	                System.out.println("notAfter=" + notAfter.getYear() + "-" + notAfter.getMonth() + "-" + notAfter.getDay() + " " + notAfter.getHour() + ":" + notAfter.getMinute() + ":" + + notAfter.getSecond());
	                
	            }
		    }
		} catch (Throwable e) {
			e.printStackTrace();
		}

byte[] certEncoded = Array.readFile("path_to_certificate");

Asn1BerDecodeBuffer buffer = new Asn1BerDecodeBuffer(certEncoded);
Certificate cert = new Certificate();
cert.decode(buffer);

TBSCertificate tbsCert = cert.tbsCertificate;
Extensions extensions = tbsCert.extensions;

Extension[] extensionList = extensions.elements;

for (Extension extension : extensionList) {

    Asn1ObjectIdentifier extensionOid = extension.extnID;

    // CRL Distribution Points

    if (Arrays.equals(extensionOid.value,
        ALL_CertificateExtensionsValues.id_ce_cRLDistributionPoints)) {

        Asn1OctetString extensionValue = extension.extnValue;
        buffer = new Asn1BerDecodeBuffer(extensionValue.value);

        CRLDistPointsSyntax dpsSyntax = new CRLDistPointsSyntax();
        dpsSyntax.decode(buffer);

        DistributionPoint[] dps = dpsSyntax.elements;

        if (dps != null) {

            for (DistributionPoint dp : dps) {

                DistributionPointName dpn = dp.distributionPoint;
                GeneralNames dpNames = (GeneralNames) dpn.getElement();

                for (GeneralName dpName : dpNames.elements) {
                    String dpUrl = String.valueOf(dpName.getElement());
                    System.out.println(dpUrl);
                } // for

            } // for

        } // if

    } // if

    // Extended Key Usage

    if (Arrays.equals(extensionOid.value,
        ALL_CertificateExtensionsValues.id_ce_extKeyUsage)) {

        Asn1OctetString extensionValue = extension.extnValue;
        buffer = new Asn1BerDecodeBuffer(extensionValue.value);

        _extKeyUsage_ExtnType extKeyUsage = new _extKeyUsage_ExtnType();
        extKeyUsage.decode(buffer);

        KeyPurposeId[] keyPurposeIds = extKeyUsage.elements;

        if (keyPurposeIds != null) {

            for (KeyPurposeId keyPurposeId : keyPurposeIds) {
                OID purposeOid = new OID(keyPurposeId.value);
                System.out.println(purposeOid);
            } // for

        } // if

    } // if

} // for